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Product Detailed Parameters
- Description：DIODE SCHOTTKY 45V 15A D2PAK
- Series：-
- Mfr：SMC Diode Solutions
- Package：Tape & Reel (TR)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：45 V
- Current - Average Rectified (Io)：15A
- Voltage - Forward (Vf) (Max) @ If：560 mV @ 15 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：1 mA @ 45 V
- Capacitance @ Vr, F：900pF @ 5V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：D2PAK
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The 12TQ045S is a single Schottky rectifier diode manufactured by SMC Diode Solutions. It features a maximum repetitive peak reverse voltage of 45 V and an average forward rectified current rating of 15 A. The device utilizes proprietary barrier technology to achieve a low forward voltage drop, with a maximum value of 0.56 V at rated current. It exhibits a maximum non-repetitive peak forward surge current capability of 300 A and a maximum reverse leakage current of 1.75 mA at the rated off-state voltage. The component is housed in a D2PAK surface-mount package.
Feature Summary
- Super-high speed switching characteristics with low noise operation
- Low forward voltage drop for improved efficiency
- Pb-Free device construction compliant with environmental standards
Applications
- DC-DC converters
- Power supply circuits
- Free-wheeling rectification
Procurement Notes
Verify the specific suffix 'S' indicates the D2PAK surface-mount package variant distinct from the through-hole TO-220AC version. Confirm datasheet revision status before ordering as manufacturers may update specifications. Ensure thermal management design accounts for the 15 A current rating in the selected enclosure environment.
Selection Notes
Select this component when a 45 V blocking voltage and 15 A continuous current capacity are required in a surface-mount form factor. The low forward voltage drop makes it suitable for low-voltage output applications where conduction losses must be minimized. Compare thermal resistance values against system heat dissipation requirements to ensure reliable operation under load.
Part Context
This part belongs to the 12TQS Schottky rectifier series optimized for low forward voltage and moderate leakage. It serves as the surface-mount equivalent to the 12TQ045 through-hole device. The series leverages proprietary barrier technology to enhance switching performance while maintaining robustness against surge currents in power conversion systems.
Replacement Considerations
The 12TQ045 is the through-hole alternative with identical electrical ratings but different mounting style. Verify pinout compatibility and thermal pad configuration when substituting between package types. No direct cross-brand substitutes are confirmed in available documentation.
